6487373 has 2 divisors, whose sum is σ = 6487374. Its totient is φ = 6487372.

The previous prime is 6487337. The next prime is 6487381. The reversal of 6487373 is 3737846.

Together with previous prime (6487337) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5442889 + 1044484 = 2333^2 + 1022^2 .

It is a cyclic number.

It is not a de Polignac number, because 6487373 - 2¹⁰ = 6486349 is a prime.

It is a super-2 number, since 2×6487373² = 84172016882258, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6487073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3243686 + 3243687.

It is an arithmetic number, because the mean of its divisors is an integer number (3243687).

Almost surely, 2^6487373 is an apocalyptic number.

It is an amenable number.

6487373 is a deficient number, since it is larger than the sum of its proper divisors (1).

6487373 is an equidigital number, since it uses as much as digits as its factorization.

6487373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 38.

The square root of 6487373 is about 2547.0321945354. The cubic root of 6487373 is about 186.5046322765.

It can be divided in two parts, 64873 and 73, that added together give a palindrome (64946).

The spelling of 6487373 in words is "six million, four hundred eighty-seven thousand, three hundred seventy-three".